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    • 3. 发明申请
    • Voltage generation circuits for supplying an internal voltage to an internal circuit and related methods
    • 用于向内部电路提供内部电压的电压产生电路及相关方法
    • US20050073356A1
    • 2005-04-07
    • US10921619
    • 2004-08-19
    • Myung-Gyoo Won
    • Myung-Gyoo Won
    • G11C5/14G05F1/10G05F1/46
    • G05F1/465
    • Internal voltage generators are provided, as well as methods of overdriving an internal voltage generation circuit. Embodiments of the internal voltage generator comprise a first driver for receiving an external voltage to supply an internal voltage to the internal circuit in response to an input voltage; a comparator for comparing a reference voltage with a fed-back internal voltage to generate the input voltage of the first driver; a variable pulse generating circuit responsive to an input pulse; and a second driver for dropping the input voltage of the first driver to a ground voltage in response to the variable pulse produced by the variable pulse generating circuit. The internal voltage generator can generate the internal voltage of a relatively constant level without regard to increase of the external voltage or frequency of an operating signal.
    • 提供内部电压发生器,以及过驱动内部电压产生电路的方法。 内部电压发生器的实施例包括用于接收外部电压以响应于输入电压向内部电路提供内部电压的第一驱动器; 比较器,用于将参考电压与反馈内部电压进行比较以产生第一驱动器的输入电压; 响应于输入脉冲的可变脉冲发生电路; 以及第二驱动器,用于响应于由可变脉冲发生电路产生的可变脉冲将第一驱动器的输入电压降低到接地电压。 内部电压发生器可以产生相对恒定电平的内部电压,而不考虑操作信号的外部电压或频率的增加。
    • 5. 发明授权
    • Voltage generation circuits for supplying an internal voltage to an internal circuit and related methods
    • 用于向内部电路提供内部电压的电压产生电路及相关方法
    • US07298200B2
    • 2007-11-20
    • US10921619
    • 2004-08-19
    • Myung-Gyoo Won
    • Myung-Gyoo Won
    • G05F1/10
    • G05F1/465
    • Internal voltage generators are provided, as well as methods of overdriving an internal voltage generation circuit. Embodiments of the internal voltage generator comprise a first driver for receiving an external voltage to supply an internal voltage to the internal circuit in response to an input voltage; a comparator for comparing a reference voltage with a fed-back internal voltage to generate the input voltage of the first driver; a variable pulse generating circuit responsive to an input pulse; and a second driver for dropping the input voltage of the first driver to a ground voltage in response to the variable pulse produced by the variable pulse generating circuit. The internal voltage generator can generate the internal voltage of a relatively constant level without regard to increase of the external voltage or frequency of an operating signal.
    • 提供内部电压发生器,以及过驱动内部电压产生电路的方法。 内部电压发生器的实施例包括用于接收外部电压以响应于输入电压向内部电路提供内部电压的第一驱动器; 比较器,用于将参考电压与反馈内部电压进行比较,以产生第一驱动器的输入电压; 响应于输入脉冲的可变脉冲发生电路; 以及第二驱动器,用于响应于由可变脉冲发生电路产生的可变脉冲将第一驱动器的输入电压降低到接地电压。 内部电压发生器可以产生相对恒定电平的内部电压,而不考虑操作信号的外部电压或频率的增加。
    • 9. 发明授权
    • Stable temperature adjustment for refresh control
    • 稳定的温度调节刷新控制
    • US07821860B2
    • 2010-10-26
    • US11549889
    • 2006-10-16
    • Hiu-Kap YangMyung-Gyoo Won
    • Hiu-Kap YangMyung-Gyoo Won
    • G11C11/406G11C7/04
    • G11C11/406G11C11/40615G11C11/40626
    • A refresh control circuit and method generates a refresh signal in response to one of a plurality of clock signals and a temperature signal. The clock signals and temperature signal may be synchronized to prevent an incomplete refresh operation at a trip point of a temperature sensor. In one embodiment, a pulse generator may generate a temperature sensor enable signal in response to the clock signals when the clock signals are synchronized. In other embodiments, the temperature signal may be latched to prevent a transition in the refresh signal during a refresh operation. The temperature signal may be latched in response to one of the clock signals or the refresh signal.
    • 刷新控制电路和方法响应于多个时钟信号和温度信号中的一个产生刷新信号。 时钟信号和温度信号可以被同步以防止在温度传感器的跳变点处的不完全的刷新操作。 在一个实施例中,当时钟信号同步时,脉冲发生器可以响应于时钟信号而产生温度传感器使能信号。 在其他实施例中,可以锁存温度信号以防止刷新操作期间刷新信号的转变。 温度信号可以响应于时钟信号之一或刷新信号被锁存。